import { BaseFormatter } from '../classes.baseformatter.js';
import type { IPlannedChange } from '../interfaces.format.js';
import * as plugins from '../mod.plugins.js';
import { logger } from '../../gitzone.logging.js';

const DEFAULT_README_CONTENT = `# Project Readme

This is the initial readme file.`;

const DEFAULT_README_HINTS_CONTENT = `# Project Readme Hints

This is the initial readme hints file.`;

export class ReadmeFormatter extends BaseFormatter {
  get name(): string {
    return 'readme';
  }

  async analyze(): Promise<IPlannedChange[]> {
    const changes: IPlannedChange[] = [];

    // Check readme.md
    const readmeExists = await plugins.smartfs.file('readme.md').exists();
    if (!readmeExists) {
      changes.push({
        type: 'create',
        path: 'readme.md',
        module: this.name,
        description: 'Create readme.md',
        content: DEFAULT_README_CONTENT,
      });
    }

    // Check readme.hints.md
    const hintsExists = await plugins.smartfs.file('readme.hints.md').exists();
    if (!hintsExists) {
      changes.push({
        type: 'create',
        path: 'readme.hints.md',
        module: this.name,
        description: 'Create readme.hints.md',
        content: DEFAULT_README_HINTS_CONTENT,
      });
    }

    return changes;
  }

  async applyChange(change: IPlannedChange): Promise<void> {
    if (change.type !== 'create' || !change.content) return;

    await this.createFile(change.path, change.content);
    logger.log('info', `Created ${change.path}`);
  }
}